Meekoceras beds (romunderi Zone) Ammonoids

These fossils are from beds below the two upper beds that are referred herein as the Inyoites beds

see rocks of the Thaynes Formation

Meekoceras
Meekoceras gracilitatis White 1879

Aspenites
Aspenites acutus Hyatt and Smith 1905  from the lower beds of the Thaynes Formation


Aspenites
Aspenites acutus Hyatt and Smith 1905 

Wyomingites
Wyomingites aplanatus (White) 1879

Arctoceras
Arctoceras mushbachanum (White) 1879

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